Home / 5,250.57-7,245.67-2,892.66

Finding the Fourth Proportional to 5,250.57, 7,245.67 and 2,892.66

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Solution

The fourth proportional to 5,250.57, 7,245.67 and 2,892.66 is: 3,991.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.57 : 7,245.67 = 2,892.66 : x
  2. Step 2: Convert to fraction form
    5,250.57/7,245.67 = 2,892.66/x
  3. Step 3: Cross multiply
    5,250.57x = 7,245.67 × 2,892.66
  4. Step 4: Simplify right side
    5,250.57x = 20,959,259.78
  5. Step 5: Solve for x
    x = 20,959,259.78/5,250.57
  6. Step 6: Final answer
    x = 3,991.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.